Gushqui Guamán, Damaris Fernanda, and Esther Lucrecia Carlin-Chávez. 2026. “Manipulative Didactic Materials for Mathematics Learning in Children Aged 5 to 6 Years”. Revista Iberoamericana De educación 10 (3):86-103. https://doi.org/10.31876/rie.v10i3.378.